CA1155718A - Marine propulsion device including propeller shroud - Google Patents

Marine propulsion device including propeller shroud

Info

Publication number
CA1155718A
CA1155718A CA000348896A CA348896A CA1155718A CA 1155718 A CA1155718 A CA 1155718A CA 000348896 A CA000348896 A CA 000348896A CA 348896 A CA348896 A CA 348896A CA 1155718 A CA1155718 A CA 1155718A
Authority
CA
Canada
Prior art keywords
nozzle
lower unit
propeller
water
end portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000348896A
Other languages
English (en)
French (fr)
Inventor
Theodore J. Holtermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Outboard Marine Corp
Original Assignee
Outboard Marine Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Outboard Marine Corp filed Critical Outboard Marine Corp
Application granted granted Critical
Publication of CA1155718A publication Critical patent/CA1155718A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/24—Arrangements, apparatus and methods for handling exhaust gas in outboard drives, e.g. exhaust gas outlets
    • B63H20/245—Exhaust gas outlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/18—Propellers with means for diminishing cavitation, e.g. supercavitation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/32—Housings
    • B63H20/34—Housings comprising stabilising fins, foils, anticavitation plates, splash plates, or rudders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/24—Arrangements, apparatus and methods for handling exhaust gas in outboard drives, e.g. exhaust gas outlets
    • B63H20/26—Exhaust gas outlets passing through the propeller or its hub
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
    • F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Exhaust Silencers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CA000348896A 1979-06-28 1980-03-31 Marine propulsion device including propeller shroud Expired CA1155718A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US052,802 1979-06-28
US06/052,802 US4304558A (en) 1979-06-28 1979-06-28 Marine propulsion device including propeller shroud

Publications (1)

Publication Number Publication Date
CA1155718A true CA1155718A (en) 1983-10-25

Family

ID=21979987

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000348896A Expired CA1155718A (en) 1979-06-28 1980-03-31 Marine propulsion device including propeller shroud

Country Status (3)

Country Link
US (1) US4304558A (el)
JP (1) JPS568795A (el)
CA (1) CA1155718A (el)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2911830A1 (de) * 1979-03-26 1980-10-09 Ernst August Werner Wasserstrahlantrieb fuer wasserfahrzeuge, insbesondere gleitboote
IT212307Z2 (it) * 1987-07-01 1989-07-04 Akzo Srl Propulsore per imbarcazioni ad eliche controrotanti dotate di mantello
JPH01273788A (ja) * 1988-04-26 1989-11-01 Tohatsu Corp ウォータジェット船外機の排気ガス排出装置
US4911665A (en) * 1988-08-04 1990-03-27 Brunswick Corporation Gearcase exhaust relief for a marine propulsion system
FR2641581A1 (fr) * 1989-01-09 1990-07-13 Chas Jean Propulseur a jet creux et corps de pompe fixe
GB2260740A (en) * 1991-10-25 1993-04-28 Thos Storey Fluid pumps in propeller driven craft
US5224889A (en) * 1991-12-02 1993-07-06 Hickey Arthur S Propeller guard
US5653189A (en) * 1991-12-20 1997-08-05 Dynafoils, Inc. Hydrofoil craft
US5311832A (en) * 1991-12-20 1994-05-17 Dynafoils, Inc. Advanced marine vehicles for operation at high speeds in or above rough water
US5482482A (en) * 1994-06-21 1996-01-09 Davis; Grover W. Air encircling marine propeller apparatus
US5938490A (en) * 1998-01-07 1999-08-17 Rodler; Waldo E. Outboard marine propulsion system
US6059618A (en) * 1998-12-09 2000-05-09 The United States Of America As Represented By The Secretary Of The Navy Ventilated outboard motor-mounted pumpjet assembly
US6190218B1 (en) 1999-09-27 2001-02-20 Outboard Marine Corporation Pump jet with redirected exhaust gas through stator vane for drag reduction
US6676460B1 (en) 2001-07-05 2004-01-13 Maruta Electric Boatworks Llc Electronic propeller guard
US20040090195A1 (en) * 2001-06-11 2004-05-13 Motsenbocker Marvin A. Efficient control, monitoring and energy devices for vehicles such as watercraft
US7335071B1 (en) 2001-07-05 2008-02-26 Maruta Electric Boatworks Llc Electronic shut off systems
US20050175458A1 (en) * 2002-08-30 2005-08-11 Romero Vazquez Juan J. Propeller, propeller propulsion system and vessel comprising propulsion system
US6986689B2 (en) * 2003-07-22 2006-01-17 Enviropropcorporation System and apparatus for improving safety and thrust from a hydro-drive device
US7267589B2 (en) * 2004-07-22 2007-09-11 Enviroprop Corporation System and apparatus for improving safety and thrust from a hydro-drive device
US7229331B2 (en) * 2005-01-24 2007-06-12 Enviroprop Corporation Shroud for a hydro thrust device
WO2011050410A1 (en) * 2009-10-27 2011-05-05 Christopher Preston Powered water sports board
NO336980B1 (no) * 2012-03-14 2015-12-07 Rolls Royce Marine As Roterende fremdriftsenhet for maritimt fartøy
US9751593B2 (en) 2015-01-30 2017-09-05 Peter Van Diepen Wave piercing ship hull
JP1575726S (el) * 2016-10-31 2017-05-08
KR102599103B1 (ko) 2016-11-11 2023-11-06 엘지전자 주식회사 의류처리장치

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2030375A (en) * 1933-07-25 1936-02-11 Kort Ludwig Combined device of a ship's propeller enclosed by a nozzle
US2860594A (en) * 1955-04-20 1958-11-18 Elmer C Kiekhaefer Splash deflector
US2943440A (en) * 1959-08-27 1960-07-05 Andras Julius Propulsion of boats or the like
US2983246A (en) * 1960-08-04 1961-05-09 Manley Audre Marie Propeller guard for outboard motorboat
US3149605A (en) * 1962-03-01 1964-09-22 Maremont Corp Outboard propulsion unit steering assist apparatus
US3209534A (en) * 1963-05-09 1965-10-05 Richard C Stallman Outboard motor exhaust system
US3249083A (en) * 1963-12-16 1966-05-03 Outboard Marine Corp Marine jet propulsion
GB1215136A (en) * 1967-02-20 1970-12-09 Kort Propulsion Co Ltd Improvements in nozzles or shrouds for ships' propellers
US3476070A (en) * 1967-09-25 1969-11-04 Porsche Kg Heat exchanger for boat propulsion unit
US3434447A (en) * 1968-01-04 1969-03-25 Richard E Christensen Propeller-driven watercraft
US3499412A (en) * 1968-02-08 1970-03-10 Dravo Corp Kort nozzle
US3494320A (en) * 1968-04-04 1970-02-10 Robert A Stubblefield Outboard motor and steering arrangement
AU4810668A (en) * 1968-12-19 1971-06-17 Ernest Albert Keller Ainslie Water-jet propulsion
GB1419774A (en) * 1972-07-25 1975-12-31 Fuller R G Compensated propeller duct or nozzle
DE2323029A1 (de) * 1973-05-08 1974-11-14 Walter Stoeckmann Vorrichtung zur verstaerkung der schubkraft von wasserstrahl- und anderen antriebsaggregaten und ihre anwendung
US3943876A (en) * 1973-12-06 1976-03-16 Kiekhaefer Aeromarine Motors, Inc. Water jet boat drive
US3968944A (en) * 1974-05-31 1976-07-13 Dornier Gmbh Aircraft with shrouded propeller drive
JPS5128992A (en) * 1974-09-04 1976-03-11 Mitsui Shipbuilding Eng Nozurupuropera no kyabiteeshonyokuseisochi
US4096819A (en) * 1976-11-03 1978-06-27 Outboard Marine Corporation Marine propulsion device including propeller protection means

Also Published As

Publication number Publication date
JPS568795A (en) 1981-01-29
US4304558A (en) 1981-12-08
JPH0221999B2 (el) 1990-05-16

Similar Documents

Publication Publication Date Title
CA1155718A (en) Marine propulsion device including propeller shroud
US3249083A (en) Marine jet propulsion
US4871334A (en) Marine propulsion device with improved exhaust discharge
USRE36888E (en) Exhaust gas purifying device for an outboard motor
CA1311653C (en) Reverse thrust propeller
AU2155592A (en) Marine jet drive
US3745964A (en) Racing lower unit
CA1067353A (en) Marine propulsion device having increased reverse thrust
US5848922A (en) Hydrofoil stabilizer for marine motor
US5389021A (en) Motorboat propeller safety shroud
US4911665A (en) Gearcase exhaust relief for a marine propulsion system
US5325662A (en) Advanced exhaust discharge for pump jet propulsion apparatus
US5066255A (en) Drive arrangement for a planing boat
US3955527A (en) Marine propulsion trim tab with anti ventilation means
US4795383A (en) Marine propulsion device low-speed exhaust system
US5713769A (en) Stator and nozzle assembly for jet propelled personal watercraft
US4906214A (en) Marine propulsion device low-speed exhaust system
US4388070A (en) Propeller exhaust hub and shroud
US5145428A (en) Shrouded propeller system for a sailboat
US6190218B1 (en) Pump jet with redirected exhaust gas through stator vane for drag reduction
US3537419A (en) Marine engine exhaust system
US20020052156A1 (en) Marine vehicle propulsion system
US3947151A (en) Hollow hub marine propeller with anticavitation groove
US5700169A (en) Inlet adapter for a personal watercraft
US6722934B2 (en) Marine jet drive with through-the-nozzle exhausting

Legal Events

Date Code Title Description
MKEX Expiry